#include "wx/dnd.h"
-#ifdef wxUSE_DRAG_AND_DROP
+#if wxUSE_DRAG_AND_DROP
#include "wx/window.h"
#include "wx/app.h"
if ((data->length >= 0) && (data->format == 8))
{
- wxString str = (const char*)data->data;
- printf( "Received %s\n.", WXSTRINGCAST str );
- gtk_drag_finish( context, TRUE, FALSE, time );
- return;
+ wxString str = (const char*)data->data;
+ printf( "Received %s\n.", WXSTRINGCAST str );
+ gtk_drag_finish( context, TRUE, FALSE, time );
+ return;
}
gtk_drag_finish (context, FALSE, FALSE, time);
GtkTargetEntry format;
format.info = 0;
format.flags = 0;
+ char buf[100];
int valid = 0;
for ( size_t i = 0; i < GetFormatCount(); i++ )
format.target = "file:ALL";
valid++;
break;
+ case wxDF_PRIVATE:
+ wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
+ strcpy( buf, WXSTRINGCAST pdt->GetID() );
+ format.target = buf;
+ valid++;
default:
break;
}
" ......................... "};
+//-----------------------------------------------------------------------------
+// globals
+//-----------------------------------------------------------------------------
+
+wxDropSource *gs_currentDropSource = (wxDropSource*) NULL;
+
+//-----------------------------------------------------------------------------
+// "drop_enter_event"
+//-----------------------------------------------------------------------------
+
+static void gtk_target_enter_callback( GtkWidget *WXUNUSED(widget),
+ GdkEventDropEnter *WXUNUSED(event),
+ wxDropTarget *target )
+{
+ if (target)
+ target->OnEnter();
+}
+
+//-----------------------------------------------------------------------------
+// "drop_leave_event"
+//-----------------------------------------------------------------------------
+
+static void gtk_target_leave_callback( GtkWidget *WXUNUSED(widget),
+ GdkEventDropLeave *WXUNUSED(event),
+ wxDropTarget *target )
+{
+ if (target)
+ target->OnLeave();
+}
+
//-----------------------------------------------------------------------------
// "drop_data_available_event"
//-----------------------------------------------------------------------------
int x = 0;
int y = 0;
gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL );
-
-// printf( "Drop data is of type %s.\n", event->data_type );
-
+/*
+ printf( "Drop data is of type %s.\n", event->data_type );
+*/
target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes );
}
wxDropTarget::wxDropTarget()
{
+ m_format = (wxDataFormat*) NULL;
}
wxDropTarget::~wxDropTarget()
{
+ if (m_format) delete m_format;
+}
+
+wxDataFormat &wxDropTarget::GetFormat(size_t n) const
+{
+ return (*m_format);
}
void wxDropTarget::UnregisterWidget( GtkWidget *widget )
for ( size_t i = 0; i < GetFormatCount(); i++ )
{
- wxDataFormat df = GetFormat( i );
- switch (df)
+ switch (GetFormat(i).GetType())
{
case wxDF_TEXT:
- if (i > 0) formats += ";";
- formats += "text/plain";
- valid++;
- break;
- case wxDF_FILENAME:
- if (i > 0) formats += ";";
- formats += "file:ALL";
- valid++;
- break;
- default:
+ {
+ if (i > 0) formats += ";";
+ formats += "text/plain";
+ valid++;
+ break;
+ }
+ case wxDF_FILENAME:
+ {
+ if (i > 0) formats += ";";
+ formats += "file:ALL";
+ valid++;
+ break;
+ }
+ case wxDF_PRIVATE:
+ {
+ if (i > 0) formats += ";";
+ wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
+ formats += pdt->GetId();
+ valid++;
+ break;
+ }
+ default:
break;
}
}
char *str = WXSTRINGCAST formats;
-
+
gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE );
gtk_signal_connect( GTK_OBJECT(widget), "drop_data_available_event",
GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drop_enter_event",
+ GTK_SIGNAL_FUNC(gtk_target_enter_callback), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drop_leave_event",
+ GTK_SIGNAL_FUNC(gtk_target_leave_callback), (gpointer) this );
}
// ----------------------------------------------------------------------------
// wxTextDropTarget
// ----------------------------------------------------------------------------
+wxTextDropTarget::wxTextDropTarget()
+{
+ m_format = new wxDataFormat( wxDF_TEXT );
+}
+
bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
{
OnDropText( x, y, (const char*)data );
bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
{
+/*
printf( "Got dropped text: %s.\n", psz );
printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+*/
return TRUE;
}
return 1;
}
-wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
+// ----------------------------------------------------------------------------
+// wxPrivateDropTarget
+// ----------------------------------------------------------------------------
+
+wxPrivateDropTarget::wxPrivateDropTarget()
+{
+ m_id = wxTheApp->GetAppName();
+ m_format = new wxDataFormat( m_id );
+}
+
+void wxPrivateDropTarget::SetId( const wxString& id )
+{
+ m_id = id;
+ m_format->SetId( id );
+}
+
+size_t wxPrivateDropTarget::GetFormatCount() const
{
- return wxDF_TEXT;
+ return 1;
}
// ----------------------------------------------------------------------------
// wxFileDropTarget
// ----------------------------------------------------------------------------
+wxFileDropTarget::wxFileDropTarget()
+{
+ m_format = new wxDataFormat( wxDF_FILENAME );
+}
+
bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
{
printf( "Got %d dropped files.\n", (int)nFiles );
printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+
for (size_t i = 0; i < nFiles; i++)
{
printf( aszFiles[i] );
printf( "\n" );
}
+
return TRUE;
}
return 1;
}
-wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
-{
- return wxDF_FILENAME;
-}
-
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
static void
shape_motion (GtkWidget *widget,
- GdkEventMotion */*event*/);
+ GdkEventMotion * /*event*/);
//-----------------------------------------------------------------------------
-// drag request
+// "drag_request_event"
+//-----------------------------------------------------------------------------
-void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source )
+void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source )
{
- wxDataObject *data = source->m_data;
-
- switch (data->GetFormat())
+ wxDataBroker *data = source->m_data;
+
+ if (!data) return;
+
+ wxNode *node = data->m_dataObjects.First();
{
- case wxDF_TEXT:
+ wxDataObject *dobj = (wxDataObject*) node->Data();
+
+ if ((strcmp(event->data_type,"file:ALL") == 0) &&
+ (dobj->GetFormat().GetType() == wxDF_FILENAME))
{
- wxTextDataObject *text_object = (wxTextDataObject*) data;
+ wxFileDataObject *file_object = (wxFileDataObject*) dobj;
- wxString text = text_object->GetText();
+ wxString text = file_object->GetFiles();
char *s = WXSTRINGCAST text;
gtk_widget_dnd_data_set( widget,
- event,
+ (GdkEvent*)event,
(unsigned char*) s,
(int) text.Length()+1 );
- break;
+ source->m_retValue = wxDragCopy;
+
+ return;
}
- case wxDF_FILENAME:
+ if ((strcmp(event->data_type,"text/plain") == 0) &&
+ (dobj->GetFormat().GetType() == wxDF_TEXT))
{
- wxFileDataObject *file_object = (wxFileDataObject*) data;
+ wxTextDataObject *text_object = (wxTextDataObject*) dobj;
- wxString text = file_object->GetFiles();
+ wxString text = text_object->GetText();
char *s = WXSTRINGCAST text;
gtk_widget_dnd_data_set( widget,
- event,
+ (GdkEvent*)event,
(unsigned char*) s,
(int) text.Length()+1 );
- break;
+ source->m_retValue = wxDragCopy;
+
+ return;
}
- default:
+ if (dobj->GetFormat().GetType() == wxDF_PRIVATE)
{
- return;
+ wxPrivateDataObject *pdo = (wxPrivateDataObject*) dobj;
+
+ if (pdo->GetId() == event->data_type)
+ {
+ gtk_widget_dnd_data_set( widget,
+ (GdkEvent*)event,
+ (unsigned char*) pdo->GetData(),
+ (int) pdo->GetSize() );
+
+ source->m_retValue = wxDragCopy;
+
+ return;
+ }
}
+
+ node = node->Next();
}
-
- source->m_retValue = wxDragCopy;
}
wxDropSource::wxDropSource( wxWindow *win )
{
- g_blockEventsOnDrag = TRUE;
+ g_blockEventsOnDrag = TRUE;
- m_window = win;
- m_widget = win->m_widget;
- if (win->m_wxwindow) m_widget = win->m_wxwindow;
+ m_window = win;
+ m_widget = win->m_widget;
+ if (win->m_wxwindow) m_widget = win->m_wxwindow;
- m_data = (wxDataObject *) NULL;
- m_retValue = wxDragCancel;
+ m_data = (wxDataBroker*) NULL;
+ m_retValue = wxDragCancel;
- m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
- m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
}
-wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
+wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win )
{
- g_blockEventsOnDrag = TRUE;
+ g_blockEventsOnDrag = TRUE;
- m_window = win;
- m_widget = win->m_widget;
- if (win->m_wxwindow) m_widget = win->m_wxwindow;
- m_retValue = wxDragCancel;
+ m_window = win;
+ m_widget = win->m_widget;
+ if (win->m_wxwindow) m_widget = win->m_wxwindow;
+ m_retValue = wxDragCancel;
- m_data = &data;
+ if (data)
+ {
+ m_data = new wxDataBroker();
+ m_data->Add( data );
+ }
+ else
+ {
+ m_data = (wxDataBroker*) NULL;
+ }
- m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
- m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
}
-void wxDropSource::SetData( wxDataObject &data )
+wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win )
{
- m_data = &data;
+ g_blockEventsOnDrag = TRUE;
+
+ m_window = win;
+ m_widget = win->m_widget;
+ if (win->m_wxwindow) m_widget = win->m_wxwindow;
+ m_retValue = wxDragCancel;
+
+ m_data = data;
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+void wxDropSource::SetData( wxDataObject *data )
+{
+ if (m_data) delete m_data;
+
+ if (data)
+ {
+ m_data = new wxDataBroker();
+ m_data->Add( data );
+ }
+ else
+ {
+ m_data = (wxDataBroker*) NULL;
+ }
+}
+
+void wxDropSource::SetData( wxDataBroker *data )
+{
+ if (m_data) delete m_data;
+
+ m_data = data;
}
wxDropSource::~wxDropSource(void)
{
-// if (m_data) delete m_data;
+ if (m_data) delete m_data;
- g_blockEventsOnDrag = FALSE;
+ g_blockEventsOnDrag = FALSE;
}
wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
{
- if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
- if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
+ if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
+ if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
- wxASSERT_MSG( m_data, "wxDragSource: no data" );
+ wxASSERT_MSG( m_data, "wxDragSource: no data" );
- if (!m_data) return (wxDragResult) wxDragNone;
+ if (!m_data) return (wxDragResult) wxDragNone;
- static GtkWidget *drag_icon = NULL;
- static GtkWidget *drop_icon = NULL;
+ static GtkWidget *drag_icon = (GtkWidget*) NULL;
+ static GtkWidget *drop_icon = (GtkWidget*) NULL;
- GdkPoint hotspot_1 = {0,-5 };
+ GdkPoint hotspot_1 = {0,-5 };
- if (!drag_icon)
- {
+ if (!drag_icon)
+ {
drag_icon = shape_create_icon ( gv_xpm,
440, 140, 0,0, GTK_WINDOW_POPUP);
&drag_icon);
gtk_widget_hide (drag_icon);
- }
+ }
- GdkPoint hotspot_2 = {-5,-5};
+ GdkPoint hotspot_2 = {-5,-5};
- if (!drop_icon)
- {
+ if (!drop_icon)
+ {
drop_icon = shape_create_icon ( page_xpm,
440, 140, 0,0, GTK_WINDOW_POPUP);
&drop_icon);
gtk_widget_hide (drop_icon);
- }
+ }
gdk_dnd_set_drag_shape( drag_icon->window,
&hotspot_2);
- GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
+ GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
- RegisterWindow();
+ RegisterWindow();
- gdk_dnd.drag_perhaps = TRUE;
+ gdk_dnd.drag_perhaps = TRUE;
- gdk_dnd.dnd_drag_start.x = 5;
- gdk_dnd.dnd_drag_start.y = 5;
- gdk_dnd.real_sw = wp;
+ gdk_dnd.dnd_drag_start.x = 5;
+ gdk_dnd.dnd_drag_start.y = 5;
+ gdk_dnd.real_sw = wp;
- if (gdk_dnd.drag_startwindows)
- {
- g_free( gdk_dnd.drag_startwindows );
- gdk_dnd.drag_startwindows = (GdkWindow **) NULL;
- }
- gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
+ if (gdk_dnd.drag_startwindows)
+ {
+ g_free( gdk_dnd.drag_startwindows );
+ gdk_dnd.drag_startwindows = (GdkWindow **) NULL;
+ }
+ gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
- XWindowAttributes dnd_winattr;
- XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr );
- wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask;
+ XWindowAttributes dnd_winattr;
+ XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr );
+ wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask;
- gdk_dnd_drag_addwindow( m_widget->window );
+ gdk_dnd_drag_addwindow( m_widget->window );
- GdkEventDragBegin ev;
- ev.type = GDK_DRAG_BEGIN;
- ev.window = m_widget->window;
- ev.u.allflags = 0;
- ev.u.flags.protocol_version = DND_PROTOCOL_VERSION;
+ GdkEventDragBegin ev;
+ ev.type = GDK_DRAG_BEGIN;
+ ev.window = m_widget->window;
+ ev.u.allflags = 0;
+ ev.u.flags.protocol_version = DND_PROTOCOL_VERSION;
- gdk_event_put( (GdkEvent*)&ev );
+ gdk_event_put( (GdkEvent*)&ev );
- XGrabPointer( gdk_display, wp->xwindow, False,
- ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
- GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime );
+ XGrabPointer( gdk_display, wp->xwindow, False,
+ ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+ GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime );
- gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() );
-
- gdk_dnd.dnd_grabbed = TRUE;
- gdk_dnd.drag_really = 1;
+ gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() );
- int x = 0;
- int y = 0;
- wxGetMousePosition( &x, &y );
+ gdk_dnd.dnd_grabbed = TRUE;
+ gdk_dnd.drag_really = 1;
- gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
+ int x = 0;
+ int y = 0;
+ wxGetMousePosition( &x, &y );
-/*
- shape_motion( drag_icon, (GdkEventMotion *)NULL );
- shape_motion( drop_icon, (GdkEventMotion *)NULL );
-*/
-
- while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
+ gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
+
+ gs_currentDropSource = this;
+
+ while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
+
+ gs_currentDropSource = (wxDropSource*) NULL;
- UnregisterWindow();
+ UnregisterWindow();
- g_blockEventsOnDrag = FALSE;
+ g_blockEventsOnDrag = FALSE;
- return m_retValue;
+ return m_retValue;
}
void wxDropSource::RegisterWindow(void)
{
- if (!m_data) return;
+ if (!m_data) return;
- wxString formats;
+ wxString formats;
- wxDataFormat df = m_data->GetFormat();
-
- switch (df)
+ wxNode *node = m_data->m_dataObjects.First();
+ while (node)
{
- case wxDF_TEXT:
- formats += "text/plain";
- break;
- case wxDF_FILENAME:
- formats += "file:ALL";
- break;
- default:
- break;
+ wxDataObject* dobj = (wxDataObject*) node->Data();
+
+ switch (dobj->GetFormat().GetType())
+ {
+ case wxDF_TEXT:
+ {
+ formats += "text/plain";
+ break;
+ }
+ case wxDF_FILENAME:
+ {
+ formats += "file:ALL";
+ break;
+ }
+ case wxDF_PRIVATE:
+ {
+ wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data;
+ formats += pdo->GetId();
+ break;
+ }
+ default:
+ break;
+ }
+ node = node->Next();
}
- char *str = WXSTRINGCAST formats;
+ char *str = WXSTRINGCAST formats;
- gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 );
+ gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 );
- gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event",
- GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this );
+ gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event",
+ GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this );
}
void wxDropSource::UnregisterWindow(void)
{
- if (!m_widget) return;
+ if (!m_widget) return;
- gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
+ gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
- gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
+ gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
}
/*
* Shaped Windows
*/
-static GdkWindow *root_win = NULL;
+static GdkWindow *root_win = (GdkWindow*) NULL;
typedef struct _cursoroffset {gint x,y;} CursorOffset;
(GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK),
- NULL, NULL, 0);
+ (GdkWindow*)NULL,
+ (GdkCursor*) NULL, 0);
}
static void
shape_motion (GtkWidget *widget,
- GdkEventMotion */*event*/)
+ GdkEventMotion * /*event*/ )
{
gint xp, yp;
CursorOffset * p;
* Can't use event->x / event->y here
* because I need absolute coordinates.
*/
+
gdk_window_get_pointer (root_win, &xp, &yp, &mask);
gtk_widget_set_uposition (widget, xp - p->x, yp - p->y);
+
+ if (gs_currentDropSource) gs_currentDropSource->GiveFeedback( wxDragCopy, FALSE );
}
GtkWidget *
projects / wxWidgets.git / blobdiff